<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Pulse Effect Button (Hover)</title>
<style>
  body {
    background: linear-gradient(135deg, #141E30, #243B55);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .pulse-btn {
    background-color: #00bcd4;
    color: white;
    border: none;
    border-radius: 50px;
    padding: 15px 40px;
    font-size: 18px;
    cursor: pointer;
    position: relative;
    outline: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: background 0.3s ease;
  }

  .pulse-btn:hover {
    background-color: #0199a9;
    animation: pulse 2s infinite;
  }

  @keyframes pulse {
    0% {
      box-shadow: 0 0 0 0 rgba(0, 188, 212, 0.7);
    }
    70% {
      box-shadow: 0 0 0 20px rgba(0, 188, 212, 0);
    }
    100% {
      box-shadow: 0 0 0 0 rgba(0, 188, 212, 0);
    }
  }
</style>
</head>
<body>

  <button class="pulse-btn">Hover Me</button>

</body>
</html>
